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  4. DN4034

Switched-mode power supply 24 V DC

DN4034

PSU-3AC/24VDC-20A

Switched-mode power supply 24 V DC

DN4034

PSU-3AC/24VDC-20A

  • For the regulated power supply for controllers, sensors, actuators, and industrial electronics
  • Low power loss thanks to high efficiency
  • High mains buffering time
  • Particularly space-saving design
  • High power reserves
  • ce
  • ukca
  • cul
  • cruus
Electrical data
Frequency AC [Hz] 47...64
Operating voltage tolerance [%] 15
Nominal voltage AC [V] < 400
Input voltage range AC [V] 380...480
Output voltage DC [V] 24...28
Protection class I; (IEC 61140)
Overvoltage protection yes; (< 35 DC)
Output voltage [V] adjustable; output voltage to SELV, PELV
Max. output current at min. output voltage [A] 20
Max. output current at max. output voltage [A] 17.5
Max. output current peak at min. output voltage [A] 30
Max. output current peak at max. output voltage [A] 26
Output power (permanent) [W] 480
Output power (peak) [W] 720
Note on output power (peak) [W]
if consumption > 4 s the power is automatically reduced to the output power
Power factor (nominal voltage 400 V AC / 50 Hz) 0.94
Note on power factor (nominal voltage 400 V AC / 50 Hz)
with symmetrical phase voltage
Power factor (nominal voltage 480 V AC / 50 Hz) 0.95
Note on power factor (nominal voltage 480 V AC / 50 Hz)
with symmetrical phase voltage
Power reserve [%] 50
Number of output circuits 1
Max. residual ripple [mV] 100
Switch-on peak current (nominal voltage 400 V AC / 60 Hz) [A] 3
Switch-on peak current (nominal voltage 480 V AC / 50 Hz) [A] 3
Inrush current limitation yes
Efficiency (nominal voltage 400 V AC / 60 Hz) [%] 95
Efficiency (nominal voltage 480 V AC / 50 Hz) [%] 94.8
External input protection ≤ B-6 A / ≤ C-3 A
Derating [W/K] 12 (60...70 °C)
Mains buffering time (nominal voltage 400 V AC / 60 Hz) [ms] 22
Mains buffering time (nominal voltage 480 V AC / 50 Hz) [ms] 22
Input current (nominal voltage 400 V AC / 60 Hz) [A] 0.78
Input current (nominal voltage 480 V AC / 50 Hz) [A] 0.64
Power loss (nominal voltage 400 V AC / 60 Hz) [W] 25.3
Power loss (nominal voltage 480 V AC / 50 Hz) [W] 26.6
Back feeding protection [V] 34
Outputs
Short-circuit proof yes
Overload protection yes
Overload performance output current constant
Type DC-OK signal relay output
Reliability of the DC OK signal 60 V DC (0.3 A) / 30 V DC (1 A) / 30 V AC (0.5 A)
Operating conditions
Ambient temperature [°C] -25...70
Note on ambient temperature
observe the free space for convection (see operating instructions)
Storage temperature [°C] -40...85
Max. relative air humidity [%] 95; (IEC 60068-2-30)
Protection IP 20; (EN 60529)
Pollution degree 2; (IEC 62103: conductive soiling not permitted)
Tests / approvals
EMC
EN 61000-6-1
EN 61000-6-2
EN 61000-6-3
EN 61000-6-4
EN 61000-3-2 Class A
Vibration resistance
IEC 60068-2-6 ±1,6 mm 2...17,8 Hz / 2 g 17,8...500 Hz
Shock resistance
IEC 60068-2-27 30 g 6 ms / 20 g 11 ms
Power Factor Correction (PFC) met
Mechanical data
Weight [g] 1029
Type of mounting rail; (TH35 (EN 60715))
Dimensions [mm] 124 x 65 x 132.5
Materials steel sheet
Displays / operating elements
Display
DC ok 1 x LED
overload 1 x LED
Remarks
Remarks
Series connection of outputs only applies to identical units up to max. 150 V DC overall voltage
Pack quantity 1 pcs.
Electrical connection
Connection screw terminals:
Diagrams and graphs
block diagram
output characteristics
characteristic curve for degree of efficiency / power loss
characteristic line for derating
characteristic line for mains buffering time